222545252210 has 8 divisors (see below), whose sum is σ = 400581453996. Its totient is φ = 89018100880.

The previous prime is 222545252173. The next prime is 222545252257. The reversal of 222545252210 is 12252545222.

It can be written as a sum of positive squares in 2 ways, for example, as 221151051289 + 1394200921 = 470267^2 + 37339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11127262601 + ... + 11127262620.

Almost surely, 2^222545252210 is an apocalyptic number.

222545252210 is a deficient number, since it is larger than the sum of its proper divisors (178036201786).

222545252210 is a wasteful number, since it uses less digits than its factorization.

222545252210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22254525228.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 222545252210 its reverse (12252545222), we get a palindrome (234797797432).

The spelling of 222545252210 in words is "two hundred twenty-two billion, five hundred forty-five million, two hundred fifty-two thousand, two hundred ten".